.iot_top_fixedbar{
    background-color: #27ba9b;
    width: 100%;
    height: 17%;
    position: fixed;
    z-index: 999;
}
#top_logo{
    color: white;
}
.iot_rabbit,
.iot_gap_line,
.iot_slogan{
    float: left;
    margin: 7% 2%;
    text-align: center;
}
.iot_rabbit{
    width: 33%;
    height: 30%;
    font-size: xx-large;
    font-weight: bold;
    font-family: 'Courier New', Courier, monospace;
}
.iot_gap_line,
.iot_slogan{
    height: 20%;
    line-height: 220%;
    /* height: 2.1875rem; */
    /* line-height: 2.1875rem; */
}
#buttom_search{
    margin: 5% auto;
    clear: both;
    width: 95%;
    height: 30%;
}
.iot_search_logo{
    float: left;
}
.iot_search_logo>img{
    margin-top: 4%;
    margin-left: 6%;
    width: 10%;
    height: 40%;
}
.iot_search_bar{
    width: 100%;
    height: 80%;
    border-radius: 1rem;
    background-color: aliceblue;
    opacity: 50%;
}
.iot_default_text{
    color: #8a8a8a;
    font-weight: bolder;
    font-size: larger;
    float: left;
    margin-top: 1.2%;
    margin-left: -40%;
    width: 40%;
    height: 60%; 
}
.iot_scan_logo>img{
    margin-top: 1%;
    margin-left: 34%;
    width: 7%;
    height: 20%;
}
.iot_main_body{
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #EEEEEE;
    width: 100%;
    overflow-y: scroll;
    height: 500%;
}
.iot_block_part{
    width: 100%;
    height: 152px;
    background-color: #fff;
}
.iot_top_slide{
    position: relative;
    display: flex;
    justify-content: start;
    width: 100%;
    height: 200px;
    /* overflow: hidden; */
}
.iot_slide{
    position: relative;
    float: left;
    width: 100%;
    height: 100%;
}
.iot_slide_img{
    background-color: #8a8a8a;
    width: 414px;
    height: 100%;
}
.iot_slide_state{
    position: absolute;
    left: 29%;
    top: 160px;
    width: 40%;
    height: 20px;
    /* background-color: #27ba9b; */
    display: flex;
    justify-content: space-around;align-items: center;
}
.iot_slide_point{
    background-color: #fff;
    width: 20px;
    height: 10px;
}
.active{
    background-color: #8a8a8a;
} 
.iot_classes_wrap{
    width: 100%;
    height: 220px;
    display: flex;
    align-items: center;
}
.iot_classes{
    width: 100%;
    height: 70%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr 1fr;
    grid-template-rows: 1fr 1fr;
}
.iot_class_item{
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.iot_class_icon{
    width: 47%;
    height: 47%;
}
.iot_class_icon>img{
    width: 100%;
    height: 100%;
}
.iot_recommend{
    background-color: #fff;
    width: 96%;
    border-radius: 3%;
    height: 270px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr ;
}
.iot_recommend_item{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.iot_recommend_top{
    width: 100%;
    display: flex;
    justify-content: start;
    align-items: center;
}
.iot_recommend_title{
    float: left;
    font-size: large;
    font-weight: bold;
}
.iot_recommend_title_two{
    float: left;
    color: grey;
    font-size: small;
}
.iot_recommend_img{
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-column-gap: 2%;
    clear: both;
    width: 96%;
    height: 65%;
}
.iot_recommend_img>img{
    width: 93%;
    height: 93%;
}

.iot_like_logo{
    margin-top: 4%;
    margin-bottom: 4%;
    display: flex;
    justify-content: center;
    width: 100%;
    height: 10%;
}
.iot_like_logo_icon{
    display: flex;
    align-items: center;
    justify-content: center;
    width: 4%;
}
.iot_like_logo_icon>img{
    width: 90%;
}
.iot_like_text{
    font-weight: 550;
    font-size: larger;
}

.iot_guess_like{
    width: 96%;
    /* height: 60rem; */
    height: 960px;
    overflow-y: scroll;
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-column-gap: 3%;
    /* 固定行间距，不用百分比，否则外层容器高度变化后会加大行间距 */
    grid-row-gap: 1.5rem; 
}
.iot_guess_like_item{
    background-color: #fff;
    height: 15.625rem;
    display: flex;
    flex-direction: column;
    flex-direction: column;
    justify-content: space-between;
}
.iot_item_img_info{
    margin-top: 7%;
    width: 100%;
    height: 85%;
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
}
.iot_item_img_info>img{
    width: 90%;
    height: 80%;
}
.iot_item_info{
    height: 11%;
    text-align: center;
    margin-top: 4%;
    font-weight: bold;
    overflow: hidden;
}
.iot_item_price{
    color: red;
    margin-bottom: 5%;
    margin-left: 7%;
}

.iot_footer_tab{
    z-index: 999;
    position: fixed;
    bottom: 0;
    width: 100%;
    height: 10%;
    background-color: #fff;
    /* background-color: #27ba9b; */
    /* background-color: #EEEEEE; */
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
}

.iot_footer_tab_item{
    display: flex;
    flex-direction: column;
    justify-content: start;
    align-items: center;
}
.iot_footer_tab_icon{
    width: 90%;
    height: 60%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.iot_footer_tab_icon>img{
    width: 80%;
    height: 75%;
}
.iot_footer_tab_title{
    font-weight: bold;
    font-size: larger;
    text-align: center;
    width: 100%;
    height: 30%;
}
